Friday, May 20, 2011

The importance of antivirus

Almost every computer user in the world has heard of computer viruses. A computer virus is a piece of software designed to infect a computer system. While most viruses are simply a nuisance, some can be very dangerous that can destroy or corrupt data stored on the infected computer.

Viruses are usually spread by the computer user. The earliest computer viruses were spread through floppy disks that were used to exchange messages. Today, viruses are usually passed through the internet. Computer viruses can also be transmitted through a network.

To stop incoming (and outgoing) viruses, every computer needs antivirus software. They are designed to stop or get rid of viruses before they can infect your computer. Norton Antivirus is one of the most popular anti-virus software. There are many good websites offer Norton Antivirus free download, so you can use it on your computer. After installing, keep the antivirus program running all the time to scan every file as it comes onto your computer.

Internet security is very important when it comes to the computers and network in your home or office. Most of the time, viruses spread easily over a network connection. The function of an anti virus is to check all the files for presence of viruses or any malicious program. In case it detects any viruses, it will suggest suitable action to remove them from your computers.